Biofouling of membranes in microbial electrochemical technologies: Causes, characterization methods and mitigation strategies

Koók, László and Bakonyi, Péter and Harnisch, Falk and Kretzschmar, Jörg and Chae, Kyu-Jung and Zhen, Guangyin and Kumar, Gopalakrishnan and Rózsenberszki, Tamás and Tóth, Gábor and Nemestóthy, Nándor and Bélafi-Bakó, Katalin (2019) Biofouling of membranes in microbial electrochemical technologies: Causes, characterization methods and mitigation strategies. BIORESOURCE TECHNOLOGY, 279. pp. 327-338. ISSN 0960-8524

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Abstract

The scope of the review is to discuss the current state of knowledge and lessons learned on biofouling of membrane separators being used for microbial electrochemical technologies (MET). It is illustrated what crucial membrane features have to be considered and how these affect the MET performance, paying particular attention to membrane biofouling. The complexity of the phenomena was demonstrated and thereby, it is shown that membrane qualities related to its surface and inherent material features significantly influence (and can be influenced by) the biofouling process. Applicable methods for assessment of membrane biofouling are highlighted, followed by the detailed literature evaluation. Finally, an outlook on e.g. possible mitigation strategies for membrane biofouling in MET is provided.

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